Home / News / Highly Modified Air-Launched Loyal Wingman Drone Tested With Air Force F-15 Eagle

Highly Modified Air-Launched Loyal Wingman Drone Tested With Air Force F-15 Eagle

During the collaborative tests in 2015, the AV-8B carried a Tactical Targeting Network Technology (TTNT) data link to communicate with and issue commands to the unmanned aircraft. TTNT is already found on the U.S. Navy’s EA-18G Growlers and will be a feature on that service’s Block III F/A-18E/F Super Hornets

The Air Force has also acquired at least one UTAP-22, though, curiously, the one seen in the picture attached to the F-15C at Tucson Air National Guard Base carries Navy markings. In 2018, the news came that Mako had been cleared for sale to a number of allies overseas, although details about those potential deals remain shrouded in secrecy. Still, it is the first known loyal wingman drone to reach such a milestone. 

The Mako was also a stepping stone to Kratos’ XQ-58A Valkyrie, previously known as the XQ-222, a purpose-built low-cost unmanned aircraft also intended to perform as a loyal wingman-type drone, as part of a networked autonomous swarm, or by itself in various roles, including as a communications and networking relay node. XQ-58A is a clean-sheet design and is roughly three times the mass, has stealthy features, and is more advanced overall than the UTAP-22. 

The particular UTAP-22 configuration seen under the Eagle’s wings is unlike anyone we have seen before. The pods on the tips of the wings are new, although not new to the baseline BQM-167 design, which can accept a wide array of modular wingtip pods. It isn’t clear what they are housing, but the covers on the end apertures look very similar to the design of missile approach warning systems (MAWS) sensors that are used to provide threat awareness and countermeasure cueing on combat aircraft. Their placement would provide seamless coverage around the horizontal plane around the aircraft. If there are additional sensors pointing up and down on the fuselage, the coverage would be spherical all around the aircraft.

The biggest unknown in the drone’s configuration is what the large faired golden ball-like protrusion on top of the forward fuselage is meant to do. 

It is possible that this is a rotating infrared search and track system (IRST) that can scan the skies ahead of the drone, and far ahead of the Eagle in the loyal wingman role, for potential threats, including those with very small radar cross-sections. It could also be a shorter-wave infrared sensor used to provide navigation and general forward situational awareness for man-in-the-loop control or even totally autonomous operations. 

UAE’s Block 60 F-16E/F Desert Falcons have a similar system installed on their noses, although the concept dates back to the 1980s in the guise of Falcon Eyes infrared sensor. You can read all about the UAE’s system and Falcon Eyes in this piece of ours. Generally speaking, imaging infrared sensor systems can have gold-colored opaque glass enclosures that they peer through. The AGM-65D/G Maverick or the LANTIRN system’s navigation pod are good examples of this. On the other hand, the enclosure could be a solid metallic golden finish, with the sensor swiveled inward at the time the photos were taken. 

With perfect spherical infrared coverage via the distributed infrared sensors and a much more capable primary infrared sensor mounted on the nose, one could potentially fly it with somewhat unprecedented situational awareness for a high-performance unmanned aircraft. It could also provide an enhanced sense and avoid capability that would allow it to autonomously operate with other aircraft in dense airspace with a high margin for safety and without relying on a data-link alone for comparative positioning information. Maybe having a robust and passive ability to safely navigate alongside the manned aircraft that it supports was the idea behind this UTAP-22 test. 

Another possibility is that the ball on the nose is some sort of electronic warfare device and the pods also support the electronic warfare mission, but that would be a unique emitter configuration, to say the least.

These are just a couple of the many possibilities. We really don’t know what the UTAP-22 is configured to accomplished beyond its primary capability set as a loyal wingman platform and the ability to be networked with other UTAP-22s. What we do know is that whatever is going on with these trials, the ability to carry and launch the UTAP-22 from under an Eagle’s wing is central to them. 

The Eagle would be the obvious fighter for this mission. It has the ability to lug outsized payloads into the air like no other fighter in the U.S. inventory. This has played a huge factor in the Air Force pursuing the F-15EX, something we posited in detail when we broke the story two years ago. 

There are a number of manned-unmanned teaming and attritable (optionally expendable) unmanned combat air vehicle (UCAV) initiatives currently underway across the DoD’s portfolio, with the Skyborg and XQ-58 Valkyrie programs—the latter, as already noted, is also a Kratos product—being the most well known. Could this system be a precursor to those endeavors or something altogether different? 

Drones that can dogfight and even potentially beat a human in that highly dynamic air-to-air arena has been a major talking point and objective of the Air Force’s recent unmanned experiment push. A major initiative to do just this is underway, with a pilot set to face off against a drone in just one year’s time. The UTAP-22 would be far better suited for this experimental role due to its performance capabilities than some of the alternatives, such as the XQ-58, and it is available now, easily reconfigurable, and affordable. Could this be our first glimpse of a dogfighting drone?

The aircraft’s configuration would make sense for this, but unfortunately at this time, we just don’t know. 

We reached out to Kratos for more information, but we have no received a reply. The Air Force has been a different story. The public affairs office at Nellis is actively working to get us some information, but as of publishing, they say it will take an unknown amount of time to get us some information due to the number of players involved in whatever this program.

What do you think? Do these sensors look familiar to you? Let us know in the comments below!

Author’s note: A big thanks to @tucson.plane.spotter for letting us use his images in this piece. Make sure to check him out on Instagram by clicking here.

Contact the authors: Tyler@thedrive.com, Joe@thedrive.com, Jamie@thedrive.com

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